Question

which of the following will give addition reaction and why? C4H10, C2H6, C2H4, CH4, C3H8, C3H4.

Answer 1

C2H4 is only show addition reaction

Answer 2

Among the given compounds, only $C_2H_4$ shows addition.

Explanation:

• Addition Reaction is shown by only those compounds which are alkene and alkyne because addition reaction takes place on $\pi$ bond Alkane do not show addition reactions.

• The General Formula for "Alkane, Alkene and Alkyne" are $C_nH_2_n+2$, $C_nH_2n$  and $C_nH_2_n-2$  Respectively.

• $C_2H_4$ shows this addition reaction because these are alkyne and alkene respectively.

• The other compounds which are $C_4H_10$, $C_2H_6$,$CH_4$ , and $C_3H_8$ all are alkanes and hence do not show addition Reactions.

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